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Can you add a link for the download to this sentence: You can also `download <location?>` and run the different code examples...
As with other tutorial topics, it would be helpful to add your assumptions or information in the opening section about prerequisites.

* Edit for grammar and style

In the opening paragraph, it would be helpful to provide some overall scenario and the prerequisites you expect readers to have completed before they start here. "This tutorial assumes you have already..." Add a link to Install DGL topic perhaps and any other framework or IDE or even specialized knowledge. With this context, you help readers to succeed by setting expectations.

Better to group all tutorials (this, PageRank with, Batched Graph, Working with) at the same level in the left navigation rail and all as subsections of DGL Basics.

* Update tutorials/basics/2_basics.py

Simple editorial updates

* doc page for builtin functions; install from source doc

* upload rst

* update

* batched_graph_classification

* Fix

* Fix

* update tutorial with new dataset

* Final

* Fix doc for dataset

* small fix

* minor spelling tweaks

* Update CONTRIBUTORS.md

* reorg the doc mainpage

* contribute guide

* improve capsule tutorial with jinyang

* fix wrong layout of second-level tutorial

* delete transformer